RFR: 8358586: ZGC: Combine ZAllocator and ZObjectAllocator [v12]

[Joel Sikström]

On Tue, 29 Jul 2025 08:53:32 GMT, Axel Boldt-Christmas <aboldtch at openjdk.org> wrote:

>> Joel Sikström has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 15 additional commits since the last revision:
>> 
>>  - Merge branch 'master' into JDK-8358586_zallocator_cleanup
>>  - Make NONCOPYABLE(ZDeferredConstructed) private
>>  - Add template spacing and remove extra semicolon
>>  - Copyright year
>>  - Move definition of ZDeferredConstructed to inline header
>>  - Merge branch 'master' into JDK-8358586_zallocator_cleanup
>>  - Rework ZObjectAllocator
>>  - Private member variables in ZObjectAlloactorImpl
>>  - Move implementation to .cpp and static-only interface in .hpp
>>  - Consistent template friend style
>>  - ... and 5 more: https://git.openjdk.org/jdk/compare/5edf1b27...1552e399
>
> Marked as reviewed by aboldtch (Reviewer).

Thank you for the reviews! @xmas92 @stefank

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PR Comment: https://git.openjdk.org/jdk/pull/25693#issuecomment-3131768628